Oder or Aider: How To spell?
The word Oder is misspelled against Aider, a noun meaning "One who, or that which, aids."
Word begins with consecutive vowels 'AI' followed by alphabets 'der' is misspelled as 'O'Wrong Spelling:  o-der  Correct Spelling:  ai-der 
Explore spell check of Aider to spell without errors.